78 lines
2.3 KiB
Go
78 lines
2.3 KiB
Go
// Copyright 2015 Prometheus Team
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package ui
|
|
|
|
import (
|
|
"bytes"
|
|
"io"
|
|
"net/http"
|
|
_ "net/http/pprof" // Comment this line to disable pprof endpoint.
|
|
"path/filepath"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/common/log"
|
|
"github.com/prometheus/common/route"
|
|
)
|
|
|
|
func serveAsset(w http.ResponseWriter, req *http.Request, fp string) {
|
|
info, err := AssetInfo(fp)
|
|
if err != nil {
|
|
log.Warn("Could not get file: ", err)
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
file, err := Asset(fp)
|
|
if err != nil {
|
|
if err != io.EOF {
|
|
log.With("file", fp).Warn("Could not get file: ", err)
|
|
}
|
|
w.WriteHeader(http.StatusNotFound)
|
|
return
|
|
}
|
|
|
|
http.ServeContent(w, req, info.Name(), info.ModTime(), bytes.NewReader(file))
|
|
}
|
|
|
|
// Register registers handlers to serve files for the web interface.
|
|
func Register(r *route.Router, reloadCh chan<- struct{}) {
|
|
ihf := prometheus.InstrumentHandlerFunc
|
|
|
|
r.Get("/app/*filepath", ihf("app_files",
|
|
func(w http.ResponseWriter, req *http.Request) {
|
|
fp := route.Param(req.Context(), "filepath")
|
|
serveAsset(w, req, filepath.Join("ui/app", fp))
|
|
},
|
|
))
|
|
r.Get("/lib/*filepath", ihf("lib_files",
|
|
func(w http.ResponseWriter, req *http.Request) {
|
|
fp := route.Param(req.Context(), "filepath")
|
|
serveAsset(w, req, filepath.Join("ui/lib", fp))
|
|
},
|
|
))
|
|
|
|
r.Get("/metrics", prometheus.Handler().ServeHTTP)
|
|
|
|
r.Get("/", ihf("index", func(w http.ResponseWriter, req *http.Request) {
|
|
serveAsset(w, req, "ui/app/index.html")
|
|
}))
|
|
|
|
r.Post("/-/reload", func(w http.ResponseWriter, req *http.Request) {
|
|
w.Write([]byte("Reloading configuration file..."))
|
|
reloadCh <- struct{}{}
|
|
})
|
|
|
|
r.Get("/debug/*subpath", http.DefaultServeMux.ServeHTTP)
|
|
r.Post("/debug/*subpath", http.DefaultServeMux.ServeHTTP)
|
|
}
|